Whose vs. of which; which vs. which period

Question

A.  We have a work turnover of 3 days within which the work had to be completed.B.  We have a work turnover of 3 days within which period the work had to be completed.C.  We are a BPO entity whose key objective is to render finance services to our clients.D.  We are a BPO entity the key objective of which is to render finance services to our clients.E.  We are a BPO entity the key objective of whom is to render finance services to our clients.1.  Please advise which is correct in each set.2.  If two or more are possible in each set, what is the difference?3.  Which are natural?Thank you in advance for your assistance.

Mister Micawber · Accepted Answer

A. We have a work turnover of 3 days within which the work has to be completed.
B. We had a work turnover of 3 days within which period the work had to be completed.

C. We are a BPO entity whose key objective is to render financial services to our clients.

1. Please advise which is correct in each set.-- All the remaining as amended.

2. If two or more are possible in each set, what is the difference?-- The difference between A and B should be obvious

3. Which are natural?- A, B, C

Anonymous · Answer

Thank you very much for your helpful response.

Mister Micawber2. If two or more are possible in each set, what is the difference?-- The difference between A and B should be obvious

I see the difference between them is one is in the present and the other is in the past.

Since E and D are incorrect, I wonder if the following phrases could be correct in other sentences and when do we use them? Could you please give an example sentence with the following phrases?

...the ___ of which...
...the ___ of whom...

Mister Micawber · Answer

I rejected them not because they are not grammatically possible, but because they are too awkward to live. Nowadays, I would be hard-pressed to find any situation in which these function in a less than hyperformal way.

The person of whom I speak is sitting right over there.
This table, the legs of which are broken, is quite useless.

Anonymous · Answer

Thank you, again, for your response. I see these phrases are too formal.

Mister MicawberThe person of whom I speak is sitting right over there.
This table, the legs of which are broken, is quite useless.

I rewrote these in a casual way, please confirm if the following are correct.
The person whom I speak is sitting right over there. OR

The person I speak is sitting right over there.
This table whose legs are broken, is quite useless.

Going back to my original examples, I understand they are too formal, but I'm just curious what would be the equivalent of "whose" in C, is it "of which" or "of whom"? I'm a bit confused because "whose" refers to a person so I'm more inclined to use "of whom". On the other hand, I think "of which" is also possible because "entity" can be considered a thing (it, which). Please enlighten me.

D. We are a BPO entity the key objective of which is to render financial services to our clients.
E. We are a BPO entity the key objective of whom is to render financial services to our clients.

Incidentally, is it not correct to say "finance services"? I googled it with quotes and it returned some results. How is it different from "financial services" if "finance services" is also possible?

Mister Micawber · Answer

"The person of whom I speak is sitting right over there.
This table, the legs of which are broken, is quite useless."
I rewrote these in a casual way, please confirm if the following are correct.
The person whom I speak is sitting right over there. OR The person I speak is sitting right over there.-- No and no. 'The person I'm speaking of is sitting,,,'

This table, whose legs are broken, is quite useless.-- OK

Going back to my original examples, I understand they are too formal, but I'm just curious what would be the equivalent of "whose" in C, is it "of which" or "of whom"? I'm a bit confused because "whose" refers to a person so I'm more inclined to use "of whom". On the other hand, I think "of which" is also possible because "entity" can be considered a thing (it, which). Please enlighten me.
D. We are a BPO entity the key objective of which is to render financial services to our clients.
E. We are a BPO entity the key objective of whom is to render financial services to our clients.-- That's why I nixed them; neither sounds right. The sentence includes both 'we' and 'entity': 'we are an entity'

Incidentally, is it not correct to say "finance services"? I googled it with quotes and it returned some results. How is it different from "financial services" if "finance services" is also possible?-- No difference in meaning, probably. Those who use 'finance' may be unaware of the proper adjective.

Anonymous · Answer

Thank you very much, Mister M. That was really helpful. It's all clear to me now.

Could you help me, as well, with my follow up questions on your response in this thread, please? There are five questions. I'm sorry if it's a bit daunting. I would really appreciate your assistance.

Whose vs. of which; which vs. which period

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